7. Use the following formula to calculate the kinetic energy of a boy with a mass of 100 kg running at a speed of 2 m/s. Kinetic energy = • mass • speed?
200 ]
100 ]
150]
75]

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?